package com.home.config;

import com.home.json.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;

import java.util.List;

/**
 * 配置类，注册web层相关组件
 */
@Configuration
@Slf4j
public class WebMvcConfiguration extends WebMvcConfigurationSupport {
    /**
     * 通过knife4j生成接口文档
     * @return
     */
    @Bean
    public Docket docketAdmin() {
        log.info("准备生成Admin接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("***项目接口文档")
                .version("1.0.0")
                .description("***项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("管理端接口文档")
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.home.controller.admin"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }
    @Bean
    public Docket docketUser() {
        log.info("准备生成User接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("***项目接口文档")
                .version("1.0.0")
                .description("***项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("用户端管理接口")
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.home.controller.user"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }
    @Bean
    public Docket docketLogin() {
        log.info("准备生成Login接口文档...");
        ApiInfo apiInfo = new ApiInfoBuilder()
                .title("***项目接口文档")
                .version("1.0.0")
                .description("***项目接口文档")
                .build();
        Docket docket = new Docket(DocumentationType.SWAGGER_2)
                .groupName("登录管理接口")
                .apiInfo(apiInfo)
                .select()
                .apis(RequestHandlerSelectors.basePackage("com.home.controller.login"))
                .paths(PathSelectors.any())
                .build();
        return docket;
    }
    /**
     * 设置静态资源映射
     * @param registry
     */
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始设置静态资源映射...");
        registry.addResourceHandler("/doc.html").addResourceLocations("classpath:/META-INF/resources/");
        registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
    }

    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters){
        log.info("扩展消息转换器...");
        // 创建一个消息转换器对象
        MappingJackson2HttpMessageConverter converter = new MappingJackson2HttpMessageConverter();
        // 需要为消息转换器设置一个对象转化器，对象转换器可以将Java对象序列化为json数据
        converter.setObjectMapper(new JacksonObjectMapper());
        // 将自己的消息转换器加入容器中
        converters.add(0,converter);
    }
}
